Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10826279 | Spark plug ground electrode configuration | Anthony Santana, Andreas Zeh, Rene Trebbels, Sofian Oeij, John Antony Burrows +1 more | 2020-11-03 |
| 8680758 | Spark plug having a plastic upper insulator and method of construction | Richard L. Keller, William J. Walker, Jr., James D. Lykowski, Shuwei Ma, Matthew C. Ware +7 more | 2014-03-25 |
| 8164241 | Extension-type spark plug | Richard E. Callahan | 2012-04-24 |
| 6227164 | Insulator shield for spark plug | — | 2001-05-08 |
| 6170458 | Insulator shield for spark plug | — | 2001-01-09 |